Made the way a sports headphone should be,No pain,no gain?not with your headphones,Relays sport wireless revolutionary fit with freeflex technology is effortless to use without complicated wisting locks and hooks that irritate your ear over time,And with its noise isolating in-ear tips,you'll hear the full sound and emotion of your music that will help you run faster and train harder,You'll love them more than your favorite pair of shoes,This is one of the most advanced Bluetooth sports headphones with up to 8 hours of playtime,full range high fidelity sound,quick charge technology,microphone,music controls,sweat and water resistance,and a special outdoor sound mode,You'll hear powerful,full sound with high energy Deep bass and clear vocals that bring out the emotion in your music,Outdoor sound mode increases the bass that's hard to hear when running outdoors.

Notable Features

·FreeFlex secure fit design adapts to any ear size without the need for complicated parts or ear hooks,which can often hurt over time.

·Pleasurable frequency response with a degree of passive noise isolation.

·Enjoy rich,powerful music and audio with the RELAYS' i5 sound engine

·Quick-charge technology enables an hour of playtime from 10 minutes of charging.